/* Ensure that the executable of a running process cannot be
   modified. */

#include <syscall.h>
#include "tests/lib.h"
#include "tests/main.h"

void test_main(void)
{
      int handle;
      char buffer[16];

      CHECK((handle = open("rox-simple")) > 1, "open \"rox-simple\"");
      CHECK(read(handle, buffer, sizeof buffer) == (int)sizeof buffer,
            "read \"rox-simple\"");
      CHECK(write(handle, buffer, sizeof buffer) == 0,
            "try to write \"rox-simple\"");
}
